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dchest/uuid.php

Created February 15, 2020 19:26
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UUIDv4 generator for PHP 7+
Raw
uuid.php
<?php
/**
* Generate a random UUIDv4.
* @return string UUID
*/
function generate_uuid()
{
$b = random_bytes(16);
$b[6] = chr(ord($b[6]) & 0x0f | 0x40);
$b[8] = chr(ord($b[8]) & 0x3f | 0x80);
return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($b), 4));
}
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